[llvm-mca] removes flag -instruction-tables from the "View Options" category.

This patch also improves the description of a couple of flags in the view
options. With this change, the -help now specifies which views are enabled by
default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@331594 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed